Which sum equalas 11 over 12
now 1 mole of ammonia also contains 6.022 * 10^23 molecules of ammonia. in one molecule of ammonia,we have 1 nitrogen atom and 3 hydrogen atom. hence a total of 4 atoms, so in 6.022 * 10^23 molecules of ammonia we will have 4 * 6.022 * 10^23 number of atoms.
working as a librarian allows her to earn more
mallory will work 36 hours total for 6 weeks as a babysitter.
mallory will earn a total of $306 if she work as a babysitter for 6 weeks.
mallory will work 84 hours total for 6 weeks as a librarian.
mallory will earn a total of $462 if she works as a librarian for 6 weeks.
working as a librarian will allow her to save the most money after 6 weeks because she can earn more.